Weld neck flanges
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| Name | Center distance of mounting holes, W (mm) | Collar diameter at base, X (mm) | Flange height, Y (mm) | Flange outer diameter, D (mm) | Flange type | Hole diameter, BH (mm) | Inner diameter of flange, B (mm) | Material | Nominal diameter, DN | Nominal pressure, Class | Nominal size, NPS (inch) | Number of holes, BN | Pressure surface diameter, R (mm) | Standard | Steel grade | Thread | Type of connecting surface | Weight 1 pc (kg) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stainless steel long weld neck flange 2" CL1500 RF ASME B16.5 | 165.1 | 104.6 | 228.6 | 215.9 | LWN - long weld neck | 25.4 | 50.8 | — | 50 | 1500 | 2" | 8 | 92.1 | ASME B16.5 | A182 Gr. F51 | — | RF - with connecting projection | 19.96 |
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| Stainless steel long weld neck flange 2" CL1500 RF ASME B16.5 | 165.1 | 104.6 | 228.6 | 215.9 | LWN - long weld neck | 25.4 | 50.8 | — | 50 | 1500 | 2" | 8 | 92.1 | ASME B16.5 | A182 Gr. F44 | — | RF - with connecting projection | 19.96 |
|
| Stainless steel long weld neck flange 3 1/2" CL400 RJ ASME B16.5 | 184.2 | 133.3 | 228.6 | 228.6 | LWN - long weld neck | 25.4 | 88.9 | — | 90 | 400 | 3 1/2" | 8 | 139.7 | ASME B16.5 | A182 Gr. F60 | — | RJ - with gasket groove | 21.77 |
|
| Stainless steel long weld neck flange 3 1/2" CL400 RJ ASME B16.5 | 184.2 | 133.3 | 228.6 | 228.6 | LWN - long weld neck | 25.4 | 88.9 | — | 90 | 400 | 3 1/2" | 8 | 139.7 | ASME B16.5 | A182 Gr. F55 | — | RJ - with gasket groove | 21.77 |
|
| Stainless steel long weld neck flange 3 1/2" CL400 RJ ASME B16.5 | 184.2 | 133.3 | 228.6 | 228.6 | LWN - long weld neck | 25.4 | 88.9 | — | 90 | 400 | 3 1/2" | 8 | 139.7 | ASME B16.5 | A182 Gr. F53 | — | RJ - with gasket groove | 21.77 |
|
| Stainless steel long weld neck flange 3 1/2" CL400 RJ ASME B16.5 | 184.2 | 133.3 | 228.6 | 228.6 | LWN - long weld neck | 25.4 | 88.9 | — | 90 | 400 | 3 1/2" | 8 | 139.7 | ASME B16.5 | A182 Gr. F51 | — | RJ - with gasket groove | 21.77 |
|
| Stainless steel long weld neck flange 3 1/2" CL400 RJ ASME B16.5 | 184.2 | 133.3 | 228.6 | 228.6 | LWN - long weld neck | 25.4 | 88.9 | — | 90 | 400 | 3 1/2" | 8 | 139.7 | ASME B16.5 | A182 Gr. F44 | — | RJ - with gasket groove | 21.77 |
|
| Stainless steel long weld neck flange 3 1/2" CL400 RJ ASME B16.5 | 184.2 | 133.3 | 228.6 | 228.6 | LWN - long weld neck | 25.4 | 88.9 | — | 90 | 400 | 3 1/2" | 8 | 139.7 | ASME B16.5 | A182 Gr. F347 | — | RJ - with gasket groove | 21.77 |
|
| Stainless steel long weld neck flange 3 1/2" CL400 RJ ASME B16.5 | 184.2 | 133.3 | 228.6 | 228.6 | LWN - long weld neck | 25.4 | 88.9 | — | 90 | 400 | 3 1/2" | 8 | 139.7 | ASME B16.5 | A182 Gr. F321H | — | RJ - with gasket groove | 21.77 |
|
| Stainless steel long weld neck flange 3 1/2" CL400 RJ ASME B16.5 | 184.2 | 133.3 | 228.6 | 228.6 | LWN - long weld neck | 25.4 | 88.9 | — | 90 | 400 | 3 1/2" | 8 | 139.7 | ASME B16.5 | A182 Gr. F321 | — | RJ - with gasket groove | 21.77 |
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